Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Biological Effects of Radiation

Biological Effects of Radiation

All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...

Moisture Content and Bulking of Aggregate

Moisture Content and Bulking of Aggregate

The moisture content of aggregates is a crucial factor in construction, particularly in concrete mixing, as it influences the total water required in the mix. Moisture content represents the water coated on the exterior surface of the aggregate existing in a saturated and surface-dry condition. The total water content of a moist aggregate is the sum of its moisture content and water absorption.
When aggregates are exposed to rain or sit in stockpiles, they absorb moisture, which must be...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Comparison between NIS and TNC channels for the detection of nickel in soil samples.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine·2022

Same author

Performance tests of a large volume cerium tribromide (CeBr3) scintillation detector.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine·2016

Same author

Chlorine signal attenuation in concrete.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine·2015

Same author

Pulse height tests of a large diameter fast LaBr₃:Ce scintillation detector.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine·2015

Same author

Prompt gamma ray evaluation for chlorine analysis in blended cement concrete.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine·2014

Same author

Detection of carcinogenic chromium in synthetic hair dyes using laser induced breakdown spectroscopy.

Applied optics·2014

Search research articles

Related Experiment Video

Updated: Mar 19, 2026

Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes

Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes

Published on: August 24, 2017

Moisture effect in prompt gamma measurements from soil samples.

A A Naqvi¹, F Z Khiari¹, F A Liadi¹

¹Department of Physics, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia.

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine

|June 24, 2016

Summary

This study investigated how water content affects gamma ray intensities from soil using neutron beams. Increased moisture reduced silicon and oxygen signals but boosted hydrogen signals, aligning with Monte Carlo simulations.

Keywords:

14MeV neutron based PGNAA setup with LaBr(3):Ce detector Decreasing intensity of Si gamma ray with moisture Hydrogen and oxygen gamma ray intensity measurements Increasing intensity of hydrogen with moisture Monte Carlo calculation for gamma ray intensity from soil samples Silicon Soil samples with 0–14wt% moisture concentration

More Related Videos

High-Resolution Neutron Spectroscopy to Study Picosecond-Nanosecond Dynamics of Proteins and Hydration Water

High-Resolution Neutron Spectroscopy to Study Picosecond-Nanosecond Dynamics of Proteins and Hydration Water

Published on: April 28, 2022

Manufacturing Simple and Inexpensive Soil Surface Temperature and Gravimetric Water Content Sensors

Manufacturing Simple and Inexpensive Soil Surface Temperature and Gravimetric Water Content Sensors

Published on: December 21, 2019

Related Experiment Videos

Last Updated: Mar 19, 2026

Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes

Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes

Published on: August 24, 2017

High-Resolution Neutron Spectroscopy to Study Picosecond-Nanosecond Dynamics of Proteins and Hydration Water

High-Resolution Neutron Spectroscopy to Study Picosecond-Nanosecond Dynamics of Proteins and Hydration Water

Published on: April 28, 2022

Manufacturing Simple and Inexpensive Soil Surface Temperature and Gravimetric Water Content Sensors

Manufacturing Simple and Inexpensive Soil Surface Temperature and Gravimetric Water Content Sensors

Published on: December 21, 2019

Area of Science:

Nuclear Geophysics
Applied Nuclear Physics

Background:

Prompt gamma ray spectroscopy is a key technique for elemental analysis in various materials.
Understanding neutron interactions with soil moisture is crucial for accurate in-situ elemental quantification.

Purpose of the Study:

To investigate the effect of varying soil moisture content on prompt gamma ray intensities.
To analyze the influence of water on 14MeV neutron flux and thermal neutron production.

Main Methods:

Utilized a LaBr3:Ce gamma ray detector to measure prompt gamma rays from soil samples with 14MeV incident neutron beams.
Varied water content in soil samples across a range of 5.1 to 14.0 wt%.
Employed Monte Carlo simulations to compare with experimental results.

Main Results:

Observed a decrease in 1.78MeV silicon and 6.13MeV oxygen gamma ray intensities with increasing moisture.
Recorded an increase in 2.22MeV hydrogen gamma ray intensity correlating with higher moisture content.
The experimental data showed good agreement with Monte Carlo simulation predictions.

Conclusions:

Soil moisture significantly impacts neutron flux, affecting elemental analysis via prompt gamma ray spectroscopy.
The observed trends confirm neutron moderation by water, influencing both fast and thermal neutron populations.
Monte Carlo simulations are a reliable tool for predicting these effects in soil analysis.